Roxy: Beautiful, cultured and talented, she forsakes a promising stage career for marriage and station life at Wirra Downs. But life in Adelaide's social classes could never have prepared her for the dust, the isolation, the floods, the shearers' strikes. She will need more than love to sustain her . . .
Martin: Roxy's husband and the man with whom she wants to spend her life. But sometimes fate has a cruel way of making its own choices . . .
Guy: Paddle steamer captain and Martins brother, his forbidden love for Roxy is his great torment. Only the river can help him escape from this love and from his past . . .